Instruments
“Instruments” refers collectively to the 15 profiling and analyzing tools that come bundled with Xcode. See Table 25.1 for a complete list. Although the exact details and behaviors of these instruments warrant a book in and of itself, the basics of how to read and interact with instruments is enough to cover the vast majority of what will be needed by the ordinary iOS developer.
Table 25.1 Instruments Provided in Xcode and Their Functionality
Note
It is important to realize that not all instruments are available under certain circumstances. ...
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